Home / 5,102.14-7,652.48-1,638.94

Finding the Fourth Proportional to 5,102.14, 7,652.48 and 1,638.94

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Solution

The fourth proportional to 5,102.14, 7,652.48 and 1,638.94 is: 2,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.14 : 7,652.48 = 1,638.94 : x
  2. Step 2: Convert to fraction form
    5,102.14/7,652.48 = 1,638.94/x
  3. Step 3: Cross multiply
    5,102.14x = 7,652.48 × 1,638.94
  4. Step 4: Simplify right side
    5,102.14x = 12,541,955.57
  5. Step 5: Solve for x
    x = 12,541,955.57/5,102.14
  6. Step 6: Final answer
    x = 2,458.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.